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Commit f0fcf200 authored by Shan Wei's avatar Shan Wei Committed by Herbert Xu
Browse files

padata: use __this_cpu_read per-cpu helper 



For bottom halves off, __this_cpu_read is better.

Signed-off-by: default avatarShan Wei <davidshan@tencent.com>
Reviewed-by: default avatarChristoph Lameter <cl@linux.com>
Acked-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent a465348f

kernel/padata.c

+2 −3
Original line number Diff line number Diff line
@@ -171,7 +171,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) 
{

	int cpu, num_cpus;

	unsigned int next_nr, next_index;

	struct padata_parallel_queue *queue, *next_queue;

	struct padata_parallel_queue *next_queue;

	struct padata_priv *padata;

	struct padata_list *reorder;
@@ -204,8 +204,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) 
		goto out;

	}



	queue = per_cpu_ptr(pd->pqueue, smp_processor_id());

	if (queue->cpu_index == next_queue->cpu_index) {

	if (__this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) {

		padata = ERR_PTR(-ENODATA);

		goto out;

	}